Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability (CVE-2016-9079)
Severity: high · Patch status: patched · Since 2023-06-22 · CVE-2016-9079
Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows. CISA added CVE-2016-9079 to its Known Exploited Vulnerabilities catalog on Jun 22, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jul 13, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch